An aliquot of 1 ml of sample was diluted with 8 ml of distilled water and vortexed. Then, 0.5 ml of Carrez Reagent 1 and 2 were added and the solution was mixed for 1 min. This mixture was allowed to settle for 15 min, and thereafter, filtered by a nylon syringe filter (0.45 μm of diameter pore) (Aijiren, Santa Clara, CA).
Jul 31, 2017 · The filter test did not show any significant interference, since the assay of the samples filtered in quantitative paper filter (28 μm), Full Flow filter (10 μm), and nylon syringe filter (0.22 μm) was 100.38, 99.23, and 98.85%, respectively. Since all variations were within ±2%, the quantitative paper filter paper was chosen for economical
To study the metal ions entrapment efficiency, Thunbergia laurifolia tea extract and metal ions were mixed and vortexed for 2 min with the ratios as shown in Table 2. Then the supernatant was separated by centrifugation and filtration through a 0.45 mm Nylon ® syringe filter before 50 times dilution. The concentration of unbinding metal ion
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through a 0.22 μm nylon syringe filter (Filter-Lab, Filtros Anoia, S.A., Sant Pere de Riudebitlles, Barcelona, Spain) prior to chromatographic analysis. The extracts were kept at –20 ºC Figure 1. UHPLC-UV-vis chromatogram of the main anthocyanins identified in the UAE extracts of the jabuticaba fruit. Peak assignment:
Apr 06, 2014 · -µM nylon syringe filters (VWRInternational, Darmstadt, Germany) and were - placed directly into HPLC vials. The chromatographic separation was performed using a Waters Alliance separation module (model 2695D, Milford, MA, USA) equipped with a diode array detector (2998). The separation was performed
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